All-Inclusive Factory Service Technical manual for Hitachi Wheel Loaders Models Zaxis ZW220-6.

This manual will assist you in diagnosing, repairing, troubleshooting, and operating for your wheel loader.

Covered Models:
   Zaxis ZW220-6

The manual comprises 6 documents, including the Workshop Manual, Troubleshooting Manual, Operational Principle Manual, and three Wiring Diagrams

1. Workshop Manual (WNEK50-EN-01)
Format: PDF, 1001 pages
Language: English
Publication Date: 01 Sep 2018
Table of Contents:
   GENERAL
      Precautions for Disassembling and Assembling
      Tightening
      Painting
      Bleeding Air
      Preparation
   MAINTENANCE STANDARD
      Body
      Front Attachment
   BODY
      Cab
      Counterweight
      Center Hinge
      Engine
      Radiator Assembly
      Hydraulic Oil Tank
      Fuel Tank
      Pump Device
      Control Valve
      Pilot Valve
      Brake Charge Valve
      Manifold Valve
      Solenoid Valve
      Flow Regulator Valve
      Cooling Fan System
      Ride Control Accumulator
      Battery Disconnect Switch
      Aftertreatment Device
      DEF Tank
      Coolant Control Valve
      DEF Supply Module
      Exterior Components
   TRAVEL SYSTEM
      Tire
      Drive Unit
      Axle
      Propeller Shaft
      Brake Valve
      Steering Device
      Emergency Steering Device
   FRONT ATTACHMENT
      Front Attachment
      Cylinder
   SERVICE MANUAL REVISION REQUEST FORM

2. Troubleshooting Manual (TTNEK50-EN-00(20170303))
Format: PDF, 533 pages
Language: English
Table of Contents:
   PERFORMANCE TEST
      Introduction
      Standard
      Engine Test
      Machine Performance Test
      Component Test
      Adjustment
      Diagnosing Procedure
      Monitor
      e-Service
      Component Layout
      Troubleshooting A
      Troubleshooting B
      Air Conditioner
      Joystick Steering System
   SERVICE MANUAL REVISION REQUEST FORM
   The Attached Diagram List

3. Operational Principle Manual (TONEK50-EN-01)
Format: PDF, 501 pages
Language: English
Publication Date: 01 Sep 2018
Table of Contents:
   GENERAL
      Specifications
      Component Layout
      Component Specifications
   SYSTEM
      Controller
      Control System
      Engine System
      Hydraulic System
      Electrical System
   COMPONENT OPERATION
      Pump Device
      Control Valve
      Cooling Fan System
      Steering Pilot Valve
      Steering Valve
      Pilot Valve
      Brake Charge Valve / Manifold Valve
      Drive Unit
      Axle
      Brake Valve
      Others
   SERVICE MANUAL REVISION REQUEST FORM

4. Wiring Diagram (TTPD850-EN-01_Circuit)
Format: PDF, 37 pages
Language: English
Table of Contents:
   ELECTRICAL CIRCUIT DIAGRAM 1
   ELECTRICAL CIRCUIT DIAGRAM 2
   ELECTRICAL CIRCUIT DIAGRAM (OPTIONAL)
   REAR FRAME HARNESS
   REAR CONSOLE HARNESS
   FRONT FRAME HARNESS
   FRONT FRAME HARNESS (PARALLEL LINK TYPE)
   FRONT CONSOLE HARNESS
   RIGHT CONSOLE HARNESS
   RIGHT CONSOLE (MF LEVER) HARNESS
   CENTER HARNESS
   REAR FRAME LEFT HARNESS
   MONITOR HARNESS
   SCR HARNESS
   TRANSMISSION HARNESS
   RIGHT CONSOLE (FINGERTIP LEVER) HARNESS
   REAR GRILL RIGHT HARNESS
   REAR GRILL LEFT HARNESS
   REAR COMBINATION LIGHT HARNESS
   EMERGENCY STEERING HARNESS (OPTIONAL)
   AUTO SHUT-DOWN HARNESS (OPTIONAL)
   FNR SWITCH (FINGERTIP LEVER) HARNESS
   COLUMN (HORN / WIPER SWITCH HARNESS)
   GSM HARNESS
   GPS HARNESS
   PILOT PRESS HARNESS
   ES HARNESS
   WIRE HARNESS (LIGHT)
   FRONT FRAME HARNESS (PARALLEL)
   HYDRAULIC CIRCUIT DIAGRAM
   HYDRAULIC CIRCUIT DIRGRAM (PARALLEL LINK TYPE)
   70Z7B REAR CONSOLE WIRING DIAGRAM
   70Z7B FRONT CONSOLE WIRING DIAGRAM
   70Z7B RIGHT SIDE CONSOLE WIRING DIAGRAM

5. Wiring Diagram (TTNEK50-EN-00_Circuit_(1))
Format: PDF, 26 pages
Language: English
Table of Contents:
   ELECTRICAL CIRCUIT DIAGRAM 1
   ELECTRICAL CIRCUIT DIAGRAM 2
   ELECTRICAL CIRCUIT DIAGRAM (OPTIONAL)
   REAR FRAME HARNESS
   REAR CONSOLE HARNESS
   FRONT FRAME HARNESS
   FRONT CONSOLE HARNESS
   RIGHT CONSOLE HARNESS
   RIGHT CONSOLE (MF LEVER) HARNESS
   CENTER HARNESS
   REAR FRAME LEFT HARNESS
   MONITOR HARNESS
   SCR HARNESS
   TRANSMISSION HARNESS
   RIGHT CONSOLE (FINGERTIP LEVER) HARNESS
   REAR GRILL LEFT HARNESS
   REAR GRILL RIGHT HARNESS
   REAR COMBINATION LIGHT HARNESS
   EMERGENCY STEERING HARNESS (OPTIONAL)
   AUTO SHUT-DOWN HARNESS (OPTIONAL)
   FNR SWITCH (FINGERTIP LEVER) HARNESS
   COLUMN (HORN / WIPER SWITCH HARNESS)
   GSM HARNESS
   GPS HARNESS
   HYDRAULIC CIRCUIT DIAGRAM
   HYDRAULIC CIRCUIT DIAGRAM (OPTIONAL)

6. Wiring Diagram (TTNEK50-EN-00_Circuit(20171215))
Format: PDF, 27 pages
Language: English
Table of Contents:
   ELECTRICAL CIRCUIT DIAGRAM 1
   ELECTRICAL CIRCUIT DIAGRAM 2
   ELECTRICAL CIRCUIT DIAGRAM (OPTIONAL)
   REAR FRAME HARNESS
   REAR CONSOLE HARNESS
   FRONT FRAME HARNESS
   FRONT CONSOLE HARNESS
   RIGHT CONSOLE HARNESS
   RIGHT CONSOLE (MF LEVER) HARNESS
   CENTER HARNESS
   REAR FRAME LEFT HARNESS
   MONITOR HARNESS
   SCR HARNESS
   TRANSMISSION HARNESS
   RIGHT CONSOLE (FINGERTIP LEVER) HARNESS
   REAR GRILL RIGHT HARNESS
   REAR GRILL LEFT HARNESS
   REAR COMBINATION LIGHT HARNESS
   EMERGENCY STEERING HARNESS (OPTIONAL)
   AUTO SHUT-DOWN HARNESS (OPTIONAL)
   FNR SWITCH (FINGERTIP LEVER) HARNESS
   COLUMN (HORN / WIPER SWITCH HARNESS
   GSM HARNESS
   GPS HARNESS
   HYDRAULIC CIRCUIT DIAGRAM
   HYDRAULIC CIRCUIT DIAGRAM (OPTIONAL)
   JOYSTICK REAR CONSOLE HARNESS (OPTIONAL)